20122544325 has 24 divisors (see below), whose sum is σ = 35828449888. Its totient is φ = 9906482880.

The previous prime is 20122544303. The next prime is 20122544341. The reversal of 20122544325 is 52344522102.

It is not a de Polignac number, because 20122544325 - 2¹⁷ = 20122413253 is a prime.

It is a super-2 number, since 2×20122544325² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20122544292 and 20122544301.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10318279 + ... + 10320228.

Almost surely, 2^20122544325 is an apocalyptic number.

20122544325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

20122544325 is a deficient number, since it is larger than the sum of its proper divisors (15705905563).

20122544325 is a wasteful number, since it uses less digits than its factorization.

20122544325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20638533 (or 20638528 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 20122544325 in words is "twenty billion, one hundred twenty-two million, five hundred forty-four thousand, three hundred twenty-five".